Data Infrastructure & Interoperability

Engineering architecture, data standards, and cross-platform integration protocols powering Aevum Encyclopedia's global knowledge graph.

📅 Last updated: November 2025 👤 Maintained by: Data Engineering Team 📄 Version: 4.2.1

Aevum Encyclopedia operates on a distributed, polyglot data architecture designed for scale, verifiability, and seamless interoperability. Our infrastructure ingests, validates, and serves over 2.4 million structured articles across 140 languages, ensuring sub-50ms query latency while maintaining strict academic provenance.

Core Architecture

🗄️ Distributed Storage

Columnar Parquet files and Delta Lake tables store raw and processed knowledge entries across multi-region S3-compatible object storage with automatic tiering.

🔗 Knowledge Graph

Neo4j + RDF triplestore hybrid enables semantic reasoning, entity resolution, and cross-disciplinary relationship mapping at scale.

🧠 Vector Indexing

FAISS & pgvector power semantic search, embedding retrieval, and AI-driven contextual recommendations across all language variants.

⚡ Edge Caching

Global CDN with stale-while-revalidate strategies ensures <10ms TTFB for cached articles and standardized metadata payloads.

Data Pipeline Flow

Ingestion
Validation & Deduplication
Entity Resolution
Graph Construction
Indexing & Sync
API/CDN Serving

Each stage includes automated audit logging, schema enforcement, and rollback capabilities. Failed transformations trigger alerting to the data quality dashboard.

Interoperability Standards

Aevum prioritizes open standards to enable seamless data exchange with academic institutions, digital libraries, and third-party researchers.

Supported Protocols & APIs

StandardImplementation
Wikibase REST APIFull v2 compatibility with custom extensions
OAI-PMHHarvestable metadata sets per discipline/language
SPARQL EndpointRDF dataset query with 1M triple limit/query
GraphQLAggregated schema for articles, entities, and revisions
OpenAlex/Arc InteropDOI & ORCID cross-linking via middleware

Data Formats & Serialization

JSON-LD 1.1 RDF/XML CSV / TSV (RFC 4180) Parquet (v1.0) XML Schema 1.1 MARC21 (Legacy Import)

Data Governance & Versioning

Every data modification is tracked through an immutable revision history. Our governance framework ensures compliance with open licensing and academic integrity standards.

{
  "dataset_policy": {
    "license": "CC BY-SA 4.0",
    "pii_handling": "GDPR compliant, opt-out available",
    "versioning": "semantic (MAJOR.MINOR.PATCH)",
    "audit_retention": "indefinite (WORM storage)",
    "peer_review_sync": "automatic webhook to editorial dashboard"
  }
}

Performance Specifications

MetricTarget / Actual
Uptime SLA99.99% (measured by Pingdom)
Read Latency (p95)< 45ms (edge cached)
Graph Query Timeout30s (SPARQL), 5s (GraphQL)
Daily Throughput~850M read requests / 12M writes
Storage Efficiency3.2:1 compression ratio (Parquet + ZSTD)

Developer Integration

Access our sandbox environment to test API endpoints, download schema definitions, or request elevated rate limits for institutional research.

# Example: Fetch article metadata via GraphQL
POST https://api.aevum.edu/v1/graphql
{
  article(id: "qc_quantum_computing") {
    title,
    language,
    lastReviewedAt,
    entities(limit: 5) { label, uri }
  }
}

Full documentation, Postman collections, and SDK packages (Python, R, JS) are available in the Developer Portal.